Fluorobenzaldehyde
氟苯甲醛
🗣️ 情景例句
What time is it?
什么时间啦？
If I have enough money,I'm going to take a trip abroad.
如果我有足够的钱，我将在国外旅行。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。